Add 10/12 and 42/18
1st number: 10/12, 2nd number: 2 6/18
10/12 + 42/18 is 19/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
10/12 = 10 × 3/12 × 3 = 30/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
42/18 = 42 × 2/18 × 2 = 84/36 - Add the two like fractions:
30/36 + 84/36 = 30 + 84/36 = 114/36 - 114/36 simplified gives 19/6
- So, 10/12 + 42/18 = 19/6
In mixed form: 31/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/12+42/18 10/12+84/18 10/24+42/18 10/12+42/36 30/12+42/18 10/36+42/18 10/12+42/54 50/12+42/18 10/60+42/18 10/12+42/90 70/12+42/18 10/84+42/18